Compilare: main.cpp: In function 'int main()': main.cpp:16:18: warning: 'pd' may be used uninitialized in this function [-Wmaybe-uninitialized] for(s=-20; ps*pd>0; s++) ~~^~~ main.cpp:16:18: warning: 'ps' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:23:24: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=p, pm=0, m=(s+d)/2; i>=0; i--) ~~^~~